//
//  RMDatabaseCache.h
//
// Copyright (c) 2008-2009, Route-Me Contributors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
//   list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#import <UIKit/UIKit.h>
#import "RMTileCache.h"

@class RMTileCacheDAO;

@interface RMDatabaseCache : NSObject<RMTileCache> {
	NSString* databasePath;
	RMTileCacheDAO *dao;
	RMCachePurgeStrategy purgeStrategy;
	NSUInteger capacity;
	NSUInteger minimalPurge;
}

@property (retain) NSString* databasePath;

+ (NSString*)dbPathForTileSource: (id<RMTileSource>) source usingCacheDir: (BOOL) useCacheDir;
-(id) initWithDatabase: (NSString*)path;
-(id) initWithTileSource: (id<RMTileSource>) source usingCacheDir: (BOOL) useCacheDir;

-(void) setPurgeStrategy: (RMCachePurgeStrategy) theStrategy;
-(void) setCapacity: (NSUInteger) theCapacity;
-(void) setMinimalPurge: (NSUInteger) thePurgeMinimum;

-(void) purgeTilesFromBefore: (NSDate*) date;

@end
